What is surface tension?

What is surface tension?

In this mesmerizing video, see how a water strider walks on water, and how a drop of milk in water actually stretches the water’s surface instead of breaking it. It has to do with the elastic property of the water surface, a phenomenon called surface...
How to Make a Duct Tape Coin Pouch

How to Make a Duct Tape Coin Pouch

To make this DIY Duct Tape Coin Pouch, gather a cutting mat (or ruler) an x-acto knife (or scissors), a ziplock bag, and two different colors of duct tape. Sally shows us how to build this coin pouch in just a few snappy minutes. Get creative with colors or patterns,...
NEBULAE: A Cosmic Meditation

NEBULAE: A Cosmic Meditation

Watch this stunning footage taking you deep inside a space nebulae. “A cloud that veils one of nature’s secret places. This is a stellar nursery, a place where stars are born. They condense by gravity from gas and dust until their temperatures become so...
What is Dust Made Of?

What is Dust Made Of?

Less than a tenth the size of an ant, a dust mite’s whole world is contained in the dusty film under a bed or in a forgotten corner. This realm is right under our noses, but from our perspective, the tiny specks of brilliant color blend together into a nondescript...

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